TAM (version 1.9-0)

predict: Expected Values and Predicted Probabilities for Fitted TAM Models

Description

Extracts predicted values from the posterior disribution for models fitted in TAM. See CDM::predict for more details.

Usage

## S3 method for class 'tam.mml':
predict(object, \dots)

## S3 method for class 'tam.mml.3pl':
predict(object, \dots)

## S3 method for class 'tamaan':
predict(object, \dots)

Arguments

object

Object of class tam, tam.mml, tam.mml.3pl or tamaan.

...

Further arguments to be passed

Value

• List with entries for predicted values (expectations and probabilities) for each person and each item. See predict (CDM).

Examples

#############################################################################
# EXAMPLE 1: Dichotomous data sim.rasch - predict method
#############################################################################
	
data(data.sim.rasch)
# 1PL estimation
mod1 <- tam.mml(resp=data.sim.rasch)
# predict method
prmod1 <- IRT.predict(mod1, data.sim.rasch)
str(prmod1)